Finding the Fourth Proportional to 187,563.54, 258,852.06 and 106,992.84
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Solution
The fourth proportional to 187,563.54, 258,852.06 and 106,992.84 is: 147,658.32
Step by Step Solution
- Step 1: Write the proportion equation
187,563.54 : 258,852.06 = 106,992.84 : x - Step 2: Convert to fraction form
187,563.54/258,852.06 = 106,992.84/x - Step 3: Cross multiply
187,563.54x = 258,852.06 × 106,992.84 - Step 4: Simplify right side
187,563.54x = 27,695,317,039.25 - Step 5: Solve for x
x = 27,695,317,039.25/187,563.54 - Step 6: Final answer
x = 147,658.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.